MA Hong-yun,LI Min,WANG Wei-na,et al.Effects of Different Fresh-keeping Agents on Physiological Characters of Dendrobium hybridus Cut Flowers[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(12):47-50.[doi:10.11942/j.issn1002-2767.2018.12.0047]
不同保鲜液对秋石斛切花生理效应的影响
- Title:
- Effects of Different Fresh-keeping Agents on Physiological Characters of Dendrobium hybridus Cut Flowers
- 文献标志码:
- A
- 摘要:
- 为筛选适宜秋石斛鲜切花的保鲜配方，以秋石斛鲜切花为研究对象，采用 6种保鲜液配方（以蒸馏水为对照）对其进行瓶插处理，测定秋石斛鲜切花的生理生化指标，研究不同保鲜液对秋石斛切花生理效应的影响。结果表明:随着瓶插时间的增加，秋石斛切花超氧化物歧化酶(SOD)活性、过氧化物酶(POD)活性、过氧化氢酶(CAT)活性、脯氨酸(Pro)含量、可溶性蛋白和可溶性糖的总体趋势均先增高后下降。综合比较发现配方3（3%蔗糖+150 mg?L-1柠檬酸+40 mg?L-1 AgNO3）既能延长秋石斛的瓶插期，达到19 d，比对照长了8 d，又能较好地保持其花瓣形态及色泽、促进花茎的增大，保鲜效果最佳。
- Abstract:
- In order to screen out the best formulation for fresh cut flowers of Dendrobium hybridus, we used the cut flowers of Dendrobium hybridus as the research object,and utilized six different fresh-keeping agents (distilled water as control) in their preservation, determined the physiological and biochemical indexes of the fresh cut flower, studied the effects of different fresh-keeping agents solutions on the physiological effects of Dendrobium hybridus cut flowers.The results showed that with the increase of vase time,superoxide dismutase (SOD),peroxidase(POD) activities, catalase (CAT) activity,proline (Pro) contents,soluble protein and soluble sugar of Dendrobium hybridus cut flowers increased firstly and then declined; Based on the compre-hensive analysis of the morphological,physiological and biochemical characteristics of Dendrobium hybridus cut flowers，it was found that No.3 treatment,consisted of 3%Sugar+150 mg?L-1 citric acid+40 mg?L-1 AgNO3 which was had the best effect among all the tested ones．Not only can it extend the vase life to 19 d,which was 8 d longer than the control in their vase life;but also maintain the shape and color of petals,promote the increase of stems,and have the best preservation effect.
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备注/Memo
收稿日期：2018-08-20